<template>
  <div>
    <el-form ref="loginForm" :model="form" :rules="rules" label-width="80px" class="login-box">
      <h3 class="login-title">注册</h3>
      <br>
      <el-form-item label="账号" prop="username">
        <el-input type="text" placeholder="请输入账号" v-model="form.username" v-on:blur="checkUsername()"/>
      </el-form-item>
      <el-form-item label="密码" prop="password">
        <el-input type="password" placeholder="请输入密码" v-model="form.password"/>
      </el-form-item>
      <el-form-item label="确认密码" prop="twopassword">
        <el-input type="password" placeholder="请再一次输入密码" v-model="form.twopassword"/>
      </el-form-item>
      <el-form-item>
        <el-button key="reg" :disabled="isButtonDisabled" type="primary" v-on:click="onSubmit('loginForm')">注册</el-button>
      </el-form-item>
    </el-form>

    <el-dialog
        title="温馨提示"
        :visible.sync="dialogVisible"
        width=30%
        :before-close="handleClose">
      <span>请输入账号和密码</span>
      <span slot=footer class=dialog-footer>
        <el-button type=primary @click="dialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import {layer} from '@layui/layer-vue';
import {addUser, checkUser} from "@/api/user";
import {onMounted} from "vue";
import md5 from 'js-md5';

export default {
  name: "Login",
  data() {
    return {
      form: {
        username: '',
        password: '',
        twopassword: '',
      },

      rules: {
        username: [
          {required: true, message: '账号不可为空', trigger: 'blur'}
        ],
        password: [
          {required: true, message: '密码不可为空', trigger: 'blur'}
        ],
        twopassword: [
          {required: true, message: '确认密码不可为空', trigger: 'blur'}
        ]
      },

      //对话框显示和隐藏
      dialogVisible: false,
      isButtonDisabled: false
    }
  },
  methods: {
    checkUsername() {
      if (this.form.username != "") {
        checkUser(this.form.username).then(res => {
          if (res.data.length > 0) {
            this.isButtonDisabled = true;
            layer.msg("用户已存在");
            return false;
          }else{
            this.isButtonDisabled = false;
          }
        })
      }
    },
    onSubmit(formName) {
      if (this.form.password != this.form.twopassword) {
        layer.msg("两次输入密码不一致");
        return false;
      }
      this.$refs[formName].validate((valid) => {
        if (valid) {
          const params = {
            username: this.form.username,
            password: md5(this.form.password)
          }
          addUser(params).then(res => {
            console.log(res.data);
          })
          this.$router.push("/manage/");
        } else {
          this.dialogVisible = true;
          return false;
        }
      });
    }
  }
}
</script>

<style lang=scss scoped>
.login-box {
  border: 1px solid #DCDFE6;
  width: 350px;
  margin: 180px auto;
  padding: 35px 35px 15px 35px;
  border-radius: 5px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  box-shadow: 0 0 25px #909399;
}

.login-box-title {
  text-align: center;
  margin: 0 auto 40px auto;
  color: #303133;
}
</style>
